Hi @adriennewolf! Glad I could help a bit.
First, I'll answer your questions...
1) We are members of our Chamber of Commerce and a Building Association (mostly contractors and construction companies, but we see value in connecting with them and offering them value when possible). We're not very active anymore, but mostly that's my personality - I'm not a big 'salesman' or networker at heart. There could be an advantage to being active in those groups, I believe.
2) When we cold call (we don't much anymore, but occasionally), we would usually ask for the person that makes decision on healthcare benefits. But, most often we would try to find out who that person was before we even called, so we could ask for them by name.
3) Direct Mail - we haven't done many direct mail campaigns, but I'll let you know when we do! The only one we've done was a blanket "EDDM - Every Door Direct Mail" through the USPS where we chose the neighborhoods and invited people to a seminar (both businesses and residences). It paid for itself, but just barely.
As for your email, I would honestly shorten it quite a bit and try to personalize it to each person... and follow up each email either 2-3 times (or even better, with a phone call), as often they'll get back to you after they see you're reaching out to them - not a mailing list.
My name is Dr. NAME, and I'm a physician in the area.
I have just began offering membership-based primary care services for people in CITY, and so far it has saved families and businesses hundreds - even thousands of dollars - on health care costs. Membership starts at just $49/monthly and includes same-day / unlimited appointments, 24/7 phone access and more...
I'm wondering if we can meet to talk more about how our plan could benefit your employees - just for 15 minutes or so?
If you're looking for a reference, feel free to talk with NAME over at BUSINESS NAME - they would be able to talk about how we've helped them recently.
Thanks, NAME. I'll be calling in a couple days to follow up,
If you wanted a free way to keep track of everybody you're emailing and/or calling - use either an Excel Spreadsheet or Trello (trello.com).
An even better solution is using Pipedrive.com - which is a monthly fee, but built for sales like this - where you're contacting people and forced to follow up with them. We use it and it's great - it helps keep us organized.
I hope that helps!